Unprimed synthesis of polyadenylate and polyuridylate catalyzed by ribonucleic acid polymerase.
D000227:Adenine Nucleotides / Q000096:biosynthesis*; D004926:Escherichia coli / Q000201:enzymology; D066298:In Vitro Techniques; D009713:Nucleotidyltransferases / Q000378:metabolism*; D011119:Polynucleotides / Q000096:biosynthesis*; D014500:Uracil Nucleotides / Q000096:biosynthesis*
D000227:Adenine Nucleotides; D011119:Polynucleotides; D014500:Uracil Nucleotides; D009713:Nucleotidyltransferases